Move Extension Location and Type enums to Manifest, and move InstallWarning to its own file.

chrome/browser/extensions/api/alarms/alarms_api_unittest.cc

Index: chrome/browser/extensions/api/alarms/alarms_api_unittest.cc
diff --git a/chrome/browser/extensions/api/alarms/alarms_api_unittest.cc b/chrome/browser/extensions/api/alarms/alarms_api_unittest.cc
index 84036e2ec2cefad0c76ef87a2f8f3208616a6082..f96a6d8ea04b9b986456c13409d46862f6f8458c 100644
--- a/chrome/browser/extensions/api/alarms/alarms_api_unittest.cc
+++ b/chrome/browser/extensions/api/alarms/alarms_api_unittest.cc
@@ -58,7 +58,7 @@ class ExtensionAlarmsTest : public BrowserWithTestWindowTest {
     alarm_manager_->set_delegate(alarm_delegate_);
 
     extension_ = utils::CreateEmptyExtensionWithLocation(
-        extensions::Extension::LOAD);
+        extensions::Manifest::LOAD);
 
     // Make sure there's a RenderViewHost for alarms to warn into.
     AddTab(browser(), extension_->GetBackgroundURL());
@@ -491,7 +491,7 @@ TEST_F(ExtensionAlarmsSchedulingTest, PollScheduling) {
 
 TEST_F(ExtensionAlarmsSchedulingTest, ReleasedExtensionPollsInfrequently) {
   extension_ = utils::CreateEmptyExtensionWithLocation(
-      extensions::Extension::INTERNAL);
+      extensions::Manifest::INTERNAL);
   current_time_ = base::Time::FromJsTime(300000);
   CreateAlarm("[\"a\", {\"when\": 300010}]");
   CreateAlarm("[\"b\", {\"when\": 340000}]");